DL300 vs DO400
The DO400's signal-to-noise is 133 dB against the DL300's 132 dB. Both share bit depth (32-bit), max sample rate (768 kHz), and thd (0.000%).
AI-generated product photo — not official manufacturer imagery.
DigitalDACsHeadphone Amplifiers
Estimated price (community-sourced)
$382
Around — community and catalog average, updates slowly
About the DL300
The SMSL DL300 is a desktop HiFi DAC and headphone amplifier built around AKM’s AK4191EQ + AK4499EX conversion stage and SMSL’s third-generation XMOS XU-316 USB interface. It supports high-resolution PCM, native DSD, full MQA and MQA-CD decoding, Bluetooth 5.1 with LDAC, and both balanced and single-ended headphone and line outputs. Manufacturer materials emphasize low distortion, low noise, selectable filters, sound-color options, and a remote control for convenient operation.
Specifications
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 32-bit
- Max Sample Rate
- 768 kHz
- DSD Support
- DSD512
- MQA Support
- Yes
- DAC Chip
- AKM AK4499EX
Analog Output
Analog signal output specifications
- THD
- 0.000%
- SNR
- 132 dB
- Output Voltage
- 2.5V RMS
- Output Impedance
- 100Ω
- Max Output Voltage
- 5.0V RMS
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- LDAC, aptX HD, aptX, AAC, SBC
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB, optical, coaxial, Bluetooth 5.1, I2S
- Analog Outputs
- XLR line out, RCA line out, 6.35 mm headphone out, 4.4 mm balanced headphone out
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 222 × 39 × 207 mm (W × H × D)
- Weight
- 1.54 kg (3 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions